Hmmmmm....you have Gonzo and Heap??? I think honestly I would drop Heap for Celek even though Heap has played like the olden days as well otherwise keep Heap and try and trade him or Gonzo for an upgrade (WR/RB) and definately grab Celek. He is the real deal and is playing like it.
So....yes, do what you said...lol
Standard H2H 12 Team 1 Pt PPR, Start 1QB, 2RB, 2WR, 1 FLEX (RB/WR/TE), 1TE, 1K, 1 DEF